<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>第二个案例</title>
</head>
<body>
  <h2>程序员实战基地~${code}</h2>
</body>
<script type="text/javascript">

</script>
</html>
